//  Programmed by Jedidiah Barber
//  Released into the public domain


#include <sndfile.h>
#include "c_asndfile.h"



const int sf_false = SF_FALSE;
const int sf_true = SF_TRUE;

const int sfm_read = SFM_READ;
const int sfm_write = SFM_WRITE;
const int sfm_rdwr = SFM_RDWR;

const int sf_seek_set = SF_SEEK_SET;
const int sf_seek_cur = SF_SEEK_CUR;
const int sf_seek_end = SF_SEEK_END;

const int sf_str_title = SF_STR_TITLE;
const int sf_str_copyright = SF_STR_COPYRIGHT;
const int sf_str_software = SF_STR_SOFTWARE;
const int sf_str_artist = SF_STR_ARTIST;
const int sf_str_comment = SF_STR_COMMENT;
const int sf_str_date = SF_STR_DATE;
const int sf_str_album = SF_STR_ALBUM;
const int sf_str_license = SF_STR_LICENSE;
const int sf_str_tracknumber = SF_STR_TRACKNUMBER;
const int sf_str_genre = SF_STR_GENRE;

const int format_wav = SF_FORMAT_WAV;
const int format_aiff = SF_FORMAT_AIFF;
const int format_au = SF_FORMAT_AU;
const int format_raw = SF_FORMAT_RAW;
const int format_paf = SF_FORMAT_PAF;
const int format_svx = SF_FORMAT_SVX;
const int format_nist = SF_FORMAT_NIST;
const int format_voc = SF_FORMAT_VOC;
const int format_ircam = SF_FORMAT_IRCAM;
const int format_w64 = SF_FORMAT_W64;
const int format_mat4 = SF_FORMAT_MAT4;
const int format_mat5 = SF_FORMAT_MAT5;
const int format_pvf = SF_FORMAT_PVF;
const int format_xi = SF_FORMAT_XI;
const int format_htk = SF_FORMAT_HTK;
const int format_sds = SF_FORMAT_SDS;
const int format_avr = SF_FORMAT_AVR;
const int format_wavex = SF_FORMAT_WAVEX;
const int format_sd2 = SF_FORMAT_SD2;
const int format_flac = SF_FORMAT_FLAC;
const int format_caf = SF_FORMAT_CAF;
const int format_wve = SF_FORMAT_WVE;
const int format_ogg = SF_FORMAT_OGG;
const int format_mpc2k = SF_FORMAT_MPC2K;
const int format_rf64 = SF_FORMAT_RF64;
const int format_mpeg = SF_FORMAT_MPEG;

const int format_pcm_s8 = SF_FORMAT_PCM_S8;
const int format_pcm_16 = SF_FORMAT_PCM_16;
const int format_pcm_24 = SF_FORMAT_PCM_24;
const int format_pcm_32 = SF_FORMAT_PCM_32;
const int format_pcm_u8 = SF_FORMAT_PCM_U8;
const int format_float = SF_FORMAT_FLOAT;
const int format_double = SF_FORMAT_DOUBLE;
const int format_ulaw = SF_FORMAT_ULAW;
const int format_alaw = SF_FORMAT_ALAW;
const int format_ima_adpcm = SF_FORMAT_IMA_ADPCM;
const int format_ms_adpcm = SF_FORMAT_MS_ADPCM;
const int format_gsm610 = SF_FORMAT_GSM610;
const int format_vox_adpcm = SF_FORMAT_VOX_ADPCM;
const int format_nms_adpcm_16 = SF_FORMAT_NMS_ADPCM_16;
const int format_nms_adpcm_24 = SF_FORMAT_NMS_ADPCM_24;
const int format_nms_adpcm_32 = SF_FORMAT_NMS_ADPCM_32;
const int format_g721_32 = SF_FORMAT_G721_32;
const int format_g723_24 = SF_FORMAT_G723_24;
const int format_g723_40 = SF_FORMAT_G723_40;
const int format_dwvw_12 = SF_FORMAT_DWVW_12;
const int format_dwvw_16 = SF_FORMAT_DWVW_16;
const int format_dwvw_24 = SF_FORMAT_DWVW_24;
const int format_dwvw_n = SF_FORMAT_DWVW_N;
const int format_dpcm_8 = SF_FORMAT_DPCM_8;
const int format_dpcm_16 = SF_FORMAT_DPCM_16;
const int format_vorbis = SF_FORMAT_VORBIS;
const int format_opus = SF_FORMAT_OPUS;
const int format_alac_16 = SF_FORMAT_ALAC_16;
const int format_alac_20 = SF_FORMAT_ALAC_20;
const int format_alac_24 = SF_FORMAT_ALAC_24;
const int format_alac_32 = SF_FORMAT_ALAC_32;
const int format_mpeg_layer_i = SF_FORMAT_MPEG_LAYER_I;
const int format_mpeg_layer_ii = SF_FORMAT_MPEG_LAYER_II;
const int format_mpeg_layer_iii = SF_FORMAT_MPEG_LAYER_III;

const int endian_file = SF_ENDIAN_FILE;
const int endian_little = SF_ENDIAN_LITTLE;
const int endian_big = SF_ENDIAN_BIG;
const int endian_cpu = SF_ENDIAN_CPU;

const int err_no_error = SF_ERR_NO_ERROR;
const int err_unrecognised_format = SF_ERR_UNRECOGNISED_FORMAT;
const int err_system = SF_ERR_SYSTEM;
const int err_malformed_file = SF_ERR_MALFORMED_FILE;
const int err_unsupported_encoding = SF_ERR_UNSUPPORTED_ENCODING;



SNDFILE * asf_open(const char * path, int mode, Asf_Info * sfinfo) {
    SF_INFO actual;

    actual.frames = (sf_count_t)sfinfo->frames;
    actual.samplerate = sfinfo->samplerate;
    actual.channels = sfinfo->channels;
    actual.format = sfinfo->major & sfinfo->minor & sfinfo->endian;
    actual.sections = sfinfo->sections;
    actual.seekable = sfinfo->seekable;

    SNDFILE * result = sf_open(path, mode, &actual);
    if (result == NULL) { return NULL; }

    sfinfo->frames = (long long)actual.frames;
    sfinfo->samplerate = actual.samplerate;
    sfinfo->channels = actual.channels;
    sfinfo->major = actual.format & SF_FORMAT_TYPEMASK;
    sfinfo->minor = actual.format & SF_FORMAT_SUBMASK;
    sfinfo->endian = actual.format & SF_FORMAT_ENDMASK;
    sfinfo->sections = actual.sections;
    sfinfo->seekable = actual.seekable;

    return result;
}


int asf_format_check(Asf_Info * sfinfo) {
    SF_INFO actual;

    actual.frames = (sf_count_t)sfinfo->frames;
    actual.samplerate = sfinfo->samplerate;
    actual.channels = sfinfo->channels;
    actual.format = sfinfo->major & sfinfo->minor & sfinfo->endian;
    actual.sections = sfinfo->sections;
    actual.seekable = sfinfo->seekable;

    return sf_format_check (&actual);
}


int64_t asf_seek(SNDFILE * sndfile, int64_t frames, int whence) {
    return (int64_t) sf_seek(sndfile, (sf_count_t) frames, whence);
}


int64_t asf_readf_short(SNDFILE * sndfile, short *ptr, int64_t items) {
    return (int64_t) sf_readf_short(sndfile, ptr, (sf_count_t) items);
}
int64_t asf_readf_int(SNDFILE * sndfile, int * ptr, int64_t items) {
    return (int64_t) sf_readf_int(sndfile, ptr, (sf_count_t) items);
}
int64_t asf_readf_float(SNDFILE * sndfile, float * ptr, int64_t items) {
    return (int64_t) sf_readf_float(sndfile, ptr, (sf_count_t) items);
}
int64_t asf_readf_double(SNDFILE * sndfile, double * ptr, int64_t items) {
    return (int64_t) sf_readf_double(sndfile, ptr, (sf_count_t) items);
}


int64_t asf_writef_short(SNDFILE * sndfile, short * ptr, int64_t items) {
    return (int64_t) sf_writef_short(sndfile, ptr, (sf_count_t) items);
}
int64_t asf_writef_int(SNDFILE * sndfile, int * ptr, int64_t items) {
    return (int64_t) sf_writef_int(sndfile, ptr, (sf_count_t) items);
}
int64_t asf_writef_float(SNDFILE * sndfile, float * ptr, int64_t items) {
    return (int64_t) sf_writef_float(sndfile, ptr, (sf_count_t) items);
}
int64_t asf_writef_double(SNDFILE * sndfile, double * ptr, int64_t items) {
    return (int64_t) sf_writef_double(sndfile, ptr, (sf_count_t) items);
}


int64_t asf_read_raw(SNDFILE * sndfile, void * ptr, int64_t bytes) {
    return (int64_t) sf_read_raw(sndfile, ptr, (sf_count_t) bytes);
}
int64_t asf_write_raw(SNDFILE * sndfile, void * ptr, int64_t bytes) {
    return (int64_t) sf_write_raw(sndfile, ptr, (sf_count_t) bytes);
}